Healing of Large Endodontic Lesions Using Long-Term Application of a New Combination of Triple Antibiotics: A Series of Cases

Figure 2

Mandibular left first molar with symptomatic apical periodontitis. (a) Pre-operative radiograph showing inadequate previous root canal treatment, broken instruments, and a large periapical lesion around the mesial root. (b) After removal of the root canal obturation materials, canal preparation, and application of intracanal medication. (c) Follow-up radiograph after 4 months and relative healing of the periapical lesion. (d) Post-operative radiograph 9 months after the initial radiograph, the bone healing and canal obturation. (e) Post-operative radiograph 17 months from the initial radiograph. (f) 28-month follow-up radiograph exhibiting complete bone healing and disappearance of the lesion.

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